Muk-Alola @ Black Sludge  
Ability: Prankster  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Lovely Kiss  
- Substitute  
- Baton Pass  
- Heal Order  

Kartana @ Focus Sash  
Ability: Illusion  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Shell Smash  
- Sunsteel Strike  
- Searing Sunraze Smash  
- V-create  

Giratina-Origin @ Leppa Berry  
Ability: Innards Out  
EVs: 252 HP / 252 Atk / 252 SpA / 252 Spe  
Mild Nature  
IVs: 0 Def / 0 SpD  
- Shell Smash  
- Sticky Web  
- Searing Sunraze Smash  
- Menacing Moonraze Maelstrom  

Arceus @ Fist Plate  
Ability: Wonder Guard  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Taunt  
- Shell Smash  
- Moongeist Beam  
- Judgment  

Gengar-Mega @ Focus Sash  
Ability: No Guard  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Taunt  
- Toxic Spikes  
- Zap Cannon  
- Fissure  

Mewtwo-Mega-Y @ Focus Sash  
Ability: Magic Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Hasty Nature  
- Spectral Thief  
- Shell Smash  
- Photon Geyser  
- Stoked Sparksurfer